1/*
2 * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#if ENABLE(WORKERS)
29
30#include "JSWorkerContext.h"
31
32#include "ExceptionCode.h"
33#include "JSDOMBinding.h"
34#include "JSDOMGlobalObject.h"
35#include "JSEventListener.h"
36#include "JSEventSource.h"
37#include "JSMessageChannel.h"
38#include "JSMessagePort.h"
39#include "JSWorkerLocation.h"
40#include "JSWorkerNavigator.h"
41#include "JSXMLHttpRequest.h"
42#include "ScheduledAction.h"
43#include "WorkerContext.h"
44#include "WorkerLocation.h"
45#include "WorkerNavigator.h"
46#include <interpreter/Interpreter.h>
47
48#if ENABLE(WEB_SOCKETS)
49#include "JSWebSocket.h"
50#endif
51
52using namespace JSC;
53
54namespace WebCore {
55
56void JSWorkerContext::markChildren(MarkStack& markStack)
57{
58    Base::markChildren(markStack);
59
60    JSGlobalData& globalData = this->globalData();
61
62    markActiveObjectsForContext(markStack, globalData, scriptExecutionContext());
63
64    markDOMObjectWrapper(markStack, globalData, impl()->optionalLocation());
65    markDOMObjectWrapper(markStack, globalData, impl()->optionalNavigator());
66
67    impl()->markJSEventListeners(markStack);
68}
69
70bool JSWorkerContext::getOwnPropertySlotDelegate(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
71{
72    // Look for overrides before looking at any of our own properties.
73    if (JSGlobalObject::getOwnPropertySlot(exec, propertyName, slot))
74        return true;
75    return false;
76}
77
78bool JSWorkerContext::getOwnPropertyDescriptorDelegate(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
79{
80    // Look for overrides before looking at any of our own properties.
81    if (JSGlobalObject::getOwnPropertyDescriptor(exec, propertyName, descriptor))
82        return true;
83    return false;
84}
85
86#if ENABLE(EVENTSOURCE)
87JSValue JSWorkerContext::eventSource(ExecState* exec) const
88{
89    return getDOMConstructor<JSEventSourceConstructor>(exec, this);
90}
91#endif
92
93JSValue JSWorkerContext::xmlHttpRequest(ExecState* exec) const
94{
95    return getDOMConstructor<JSXMLHttpRequestConstructor>(exec, this);
96}
97
98#if ENABLE(WEB_SOCKETS)
99JSValue JSWorkerContext::webSocket(ExecState* exec) const
100{
101    return getDOMConstructor<JSWebSocketConstructor>(exec, this);
102}
103#endif
104
105JSValue JSWorkerContext::importScripts(ExecState* exec)
106{
107    if (!exec->argumentCount())
108        return jsUndefined();
109
110    Vector<String> urls;
111    for (unsigned i = 0; i < exec->argumentCount(); i++) {
112        urls.append(ustringToString(exec->argument(i).toString(exec)));
113        if (exec->hadException())
114            return jsUndefined();
115    }
116    ExceptionCode ec = 0;
117
118    impl()->importScripts(urls, ec);
119    setDOMException(exec, ec);
120    return jsUndefined();
121}
122
123JSValue JSWorkerContext::setTimeout(ExecState* exec)
124{
125    // FIXME: Should we enforce a Content-Security-Policy on workers?
126    OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0);
127    if (exec->hadException())
128        return jsUndefined();
129    int delay = exec->argument(1).toInt32(exec);
130    return jsNumber(impl()->setTimeout(action.release(), delay));
131}
132
133JSValue JSWorkerContext::setInterval(ExecState* exec)
134{
135    // FIXME: Should we enforce a Content-Security-Policy on workers?
136    OwnPtr<ScheduledAction> action = ScheduledAction::create(exec, currentWorld(exec), 0);
137    if (exec->hadException())
138        return jsUndefined();
139    int delay = exec->argument(1).toInt32(exec);
140    return jsNumber(impl()->setInterval(action.release(), delay));
141}
142
143
144#if ENABLE(CHANNEL_MESSAGING)
145JSValue JSWorkerContext::messageChannel(ExecState* exec) const
146{
147    return getDOMConstructor<JSMessageChannelConstructor>(exec, this);
148}
149#endif
150
151} // namespace WebCore
152
153#endif // ENABLE(WORKERS)
154